Stew with mince meat and root vegetables

500 g mince meat (lamb or beef)

1 onion

3 garlic cloves

2 tbsp oil

2 tbsp tomato puré

1 small piece of celeriac

2 carrots

10 cm leek

2 sweet potatoes

1 bay leaf

1 tsp thyme

salt and black pepper

5 dl sieved tomatoes 

2 dl water

3 dl canned beans 

Chop the onion and garlic. Peel and cut all the root vegetables and leek into pieces. Fry onion and garlic in oil until soft, then add the mince meat. When the mince is brown, add the tomato paste. Add thereafter  the vegetables and the leek. Season with bay leaf, thyme, salt and pepper. Add sieved tomatoes and water. Let it boil for about 20 minutes or until the vegetables are soft. Add the beans and let everything get warm.